ci: enhance coverage reporting in GitHub Actions workflow and update Jest configuration

Author: lposen

.github/workflows/test.yml

@@ -32,9 +32,28 @@ jobs:
       - name: Setup
         uses: ./.github/actions/setup
 
-      - name: Run unit tests
+      - name: Run unit tests with coverage
         run: yarn test:coverage --maxWorkers=2
 
+      - name: Check coverage thresholds
+        run: |
+          COVERAGE_THRESHOLD=80
+          COVERAGE=$(cat coverage/coverage-summary.json | jq -r '.total.lines.pct')
+          if (( $(echo "$COVERAGE < $COVERAGE_THRESHOLD" | bc -l) )); then
+            echo "Coverage ($COVERAGE%) is below threshold ($COVERAGE_THRESHOLD%)"
+            exit 1
+          fi
+          echo "Coverage ($COVERAGE%) is above threshold ($COVERAGE_THRESHOLD%)"
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          directory: ./coverage/
+          flags: unittests
+          name: codecov-umbrella
+          fail_ci_if_error: true
+
   build-library:
     runs-on: ubuntu-latest
     steps:

jest.config.js

@@ -10,7 +10,7 @@ module.exports = {
     '!plugin/src/**/__mocks__/**',
   ],
   coverageDirectory: 'coverage',
-  coverageReporters: ['text', 'lcov', 'html'],
+  coverageReporters: ['text', 'lcov', 'html', 'json-summary'],
   coverageThreshold: {
     global: {
       branches: 80,